利用MathType编写一个能计算n阶行列式的通用程序
时间: 2023-05-15 13:07:54 浏览: 62
非常感谢您的提问。以下是一个能够计算n阶行列式的通用程序,使用MathType编写:
Sub Determinant()
Dim n As Integer
n = InputBox("请输入矩阵的阶数:")
Dim matrix() As Double
ReDim matrix(1 To n, 1 To n)
Dim i As Integer, j As Integer
For i = 1 To n
For j = 1 To n
matrix(i, j) = InputBox("请输入第" & i & "行第" & j & "列的元素:")
Next j
Next i
Dim det As Double
det = CalculateDeterminant(matrix, n)
MsgBox "该矩阵的行列式为:" & det
End Sub
Function CalculateDeterminant(matrix() As Double, n As Integer) As Double
If n = 1 Then
CalculateDeterminant = matrix(1, 1)
Else
Dim i As Integer, j As Integer, k As Integer
Dim subMatrix() As Double
ReDim subMatrix(1 To n - 1, 1 To n - 1)
Dim sign As Integer
Dim det As Double
det = 0
For i = 1 To n
For j = 1 To n - 1
For k = 1 To n - 1
If k < i Then
subMatrix(j, k) = matrix(j + 1, k)
Else
subMatrix(j, k) = matrix(j + 1, k + 1)
End If
Next k
Next j
If i Mod 2 = 0 Then
sign = -1
Else
sign = 1
End If
det = det + sign * matrix(1, i) * CalculateDeterminant(subMatrix, n - 1)
Next i
CalculateDeterminant = det
End If
End Function
希望这个程序能够帮助您计算n阶行列式。如果您有任何问题,请随时联系我。